A documentary team is making a film about a hereditary shamaness, Nim, who lives in the Isan region of northeast Thailand. The woman tells us that a local deity has been inhabiting their family members since ancient times, and when it was her sister's turn, she refused, so the deity chose Nim. Since then, she has been treating the villagers for mental ailments. When her sister's husband suddenly dies, Nim goes to the funeral and there notices that her niece is behaving very strangely
